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12012313321010 = 251498061955249
BaseRepresentation
bin1010111011001101010110…
…1010110001111000110010
31120112100212202202121202202
42232303111222301320302
53033302204202233020
641314214111143202
72346601215346412
oct256632552617062
946470782677682
1012012313321010
113911436789162
121420097514b02
136919aa737552
142d758307a642
1515c703e31e75
hexaecd5ab1e32

12012313321010 has 16 divisors (see below), whose sum is σ = 21767279175000. Its totient is φ = 4772677506816.

The previous prime is 12012313320977. The next prime is 12012313321027. The reversal of 12012313321010 is 1012331321021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8897233049329 + 3115080271681 = 2982823^2 + 1764959^2 .

It is a super-2 number, since 2×120123133210102 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4030976135 + ... + 4030979114.

Almost surely, 212012313321010 is an apocalyptic number.

12012313321010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012313321010 is a deficient number, since it is larger than the sum of its proper divisors (9754965853990).

12012313321010 is a wasteful number, since it uses less digits than its factorization.

12012313321010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8061955405.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12012313321010 its reverse (1012331321021), we get a palindrome (13024644642031).

The spelling of 12012313321010 in words is "twelve trillion, twelve billion, three hundred thirteen million, three hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 149 298 745 1490 8061955249 16123910498 40309776245 80619552490 1201231332101 2402462664202 6006156660505 12012313321010